# NSN 5310-01-025-9992: Nut, Self-Locking, Extended Washer

NSN 5310-01-025-9992 (also written 5310010259992; NIIN 01-025-9992) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 9 manufacturer part numbers from 8 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-025-9992 (5310010259992)
- NIIN: 01-025-9992 (010259992)
- Item name: NUT,SELF-LOCKING,EXTENDED WASHER
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-15)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAVX | WASHER OUTSIDE DIAMETER | INCHES MAXIMUM 1.875 |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABKW | OVERALL HEIGHT | INCHES MAXIMUM 1.370 |
| ACTA | NUT STYLE | — |
| ADEM | WASHER THICKNESS | INCHES MINIMUM 0.170 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 1.364 AND INCHES MAXIMUM 1.377 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 450.0 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.125 |
| MATT | MATERIAL | OVERALL STEEL COMP 601 OR STEEL COMP H11 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD 1ST MATERIAL RESPONSE A-S 6304 OR ASSN STD 2ND MATERIAL RESPONSE A-S 6485 OR ASSN STD 2ND MATERIAL RESPONSE A-S 6487 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,CL 3 |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 81205-BACN10HR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 67832-1812 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7832-18 | 56786 | ELECTROMAGNETIC RESEARCH CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10HR18 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACN10HR18CD | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BMNN10HR18 | 17446 | HUCK INTERNATIONAL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BMNN10HR18 | 97928 | HUCK INTL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BNMM10HR18 | D8196 | STARRAG TECHNOLOGY GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RMLH22-18 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VAL28009-18 | 06710 | VALLEY-TODECO, INC. DBA ARCONIC FASTENING SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-3857 | 82 | 2026-10-21 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310010259992&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310010259992&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310010259992
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5310-01-025-9992/
JSON: https://nsnexplorer.com/api/nsn/5310-01-025-9992.json